Festoon holder



FIG. 1 is a top plan view of a festoon holder showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a festoon holder, as shown and described. 